*********************
   "$d_Qtest"'arrays nested/arrays nested- develop.txt'  - 
   ToDos
   26Mar2024 nry_itm_get_ndxL: I'm still struggling:  finally worked!!
   25Mar2024 nry_itm_get_ndxL: fails with arys
   24Mar2024 nry_itm_ndxInn_get_ndxL_recurse : incorrect indexing as lists rather than 2D nrys!
   24Mar2024 augment tests for : tstOptr  "nry_itm_get_ndxL_chk_testSimple
   23Mar2024 adapt 'arrays nested' ops
   19Mar2024 create nonAry_tests - much simpler notation, [complete, reliable] basic tests
   18Mar2024 ary_sub_get_ndxL [fix, test]
   15Mar2024 create 'arrays nested.ndf' from arrays.ndf, tests too